/**
* Jasafa - Java ActionScript API For Android
* Java implementation of ActionScript3
*
* MIT Licensed (http://www.opensource.org/licenses/mit-license.php)
* Copyright (c) 2010 Mj Mendoza IV <mjmendoza@konsolscript.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package droid.misc;

import droid.geom.Point;

/**
 * Not originally an ActionScript class
 * @author Mj Mendoza IV
 * 
 * The Angle class contains reusable functions for calculating degrees in Radians or Degrees unit.
 */
public class Angle {
	public static double getRadians(double degrees) {
		return degrees / (180 / Math.PI);
	}
	public static double getDegrees(double radians) {
		return radians / (Math.PI / 180);
	}
	public static double getAngleByRadians(double distanceX, double distanceY) {
		return Math.atan2(distanceY, distanceX);
	}
	public static double getAngleByDegrees(double distanceX, double distanceY) {
		return Angle.getDegrees(Angle.getAngleByRadians(distanceX, distanceY));
	}
	/**
	 * Returns a point from originPt to an angled distance.
	 * @param	originPt    Point of origin
	 * @param	distance    Distance from point of origin
	 * @param	angle       Angle in radians
	 * @return
	 */
	public static Point getPointByAngledDistance(Point originPt, double distance, double angle) {
		Point tmp = Point.polar(distance, angle);
		return new Point(originPt.x + tmp.x, originPt.y + tmp.y);
	}
}